package lamdba;

/**
 * Created by 5406160@qq.com on LiBoWen 李博闻.
 *
 * @ClassName : Calculator
 * @Author : 54061
 * @Date: 2022/2/25 21:04
 */
@FunctionalInterface
public interface Calculator {

    int calc(int a, int b);

    default void print(int a, int b){
        System.out.println(a+","+b);
    }

}
